1 //===-- Utility class to test the fpclassify macro -------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_TEST_INCLUDE_MATH_FPCLASSIFY_H 10 #define LLVM_LIBC_TEST_INCLUDE_MATH_FPCLASSIFY_H 11 12 #include "test/UnitTest/FPMatcher.h" 13 #include "test/UnitTest/Test.h" 14 15 #include "include/llvm-libc-macros/math-function-macros.h" 16 17 template <typename T> 18 class FpClassifyTest : public LIBC_NAMESPACE::testing::Test { 19 DECLARE_SPECIAL_CONSTANTS(T) 20 21 public: 22 typedef int (*FpClassifyFunc)(T); 23 testSpecialNumbers(FpClassifyFunc func)24 void testSpecialNumbers(FpClassifyFunc func) { 25 EXPECT_EQ(func(aNaN), FP_NAN); 26 EXPECT_EQ(func(neg_aNaN), FP_NAN); 27 EXPECT_EQ(func(sNaN), FP_NAN); 28 EXPECT_EQ(func(neg_sNaN), FP_NAN); 29 EXPECT_EQ(func(inf), FP_INFINITE); 30 EXPECT_EQ(func(neg_inf), FP_INFINITE); 31 EXPECT_EQ(func(min_normal), FP_NORMAL); 32 EXPECT_EQ(func(max_normal), FP_NORMAL); 33 EXPECT_EQ(func(neg_max_normal), FP_NORMAL); 34 EXPECT_EQ(func(min_denormal), FP_SUBNORMAL); 35 EXPECT_EQ(func(neg_min_denormal), FP_SUBNORMAL); 36 EXPECT_EQ(func(max_denormal), FP_SUBNORMAL); 37 EXPECT_EQ(func(zero), FP_ZERO); 38 EXPECT_EQ(func(neg_zero), FP_ZERO); 39 } 40 }; 41 42 #define LIST_FPCLASSIFY_TESTS(T, func) \ 43 using LlvmLibcFpClassifyTest = FpClassifyTest<T>; \ 44 TEST_F(LlvmLibcFpClassifyTest, SpecialNumbers) { \ 45 auto fpclassify_func = [](T x) { return func(x); }; \ 46 testSpecialNumbers(fpclassify_func); \ 47 } 48 49 #endif // LLVM_LIBC_TEST_INCLUDE_MATH_FPCLASSIFY_H 50